It's a tricky one I agree - they're currently separate but can be loaded together, if so there's an episode list. Paranoiac is a sequel, yet for all intents and purposes it looks exactly like Paranoid part 2 (the episode list and map numbers indicate this). As a result I can't see anyone voting for both separately, like they would with other series (eg. Cheogsh, Temple of the Lizard Men).

I can change it, but still feels a bit daft treating this one differently just because of how the contents are arranged.

Those are probably the ones I've had the most fun with, or been most impressed by... When you start getting down to the 5th favorite or what-have-you it gets a lot harder to choose, and I've been too busy to play a lot of bigger recent releases...